Which of the following is an accurate description of African political systems in the 16th century? A. Africa was a federation of complex city-states, that stretched across the continent./ B. Most Africans lived in purely tribal clans and did not interact with outsiders./ C. Africans had a variety of political structures, including monarchies and kinship alliances. /D. Africans had adopted new political systems from the Europeans, including parliamentary democracy.